Air nozzle



23, 9 2- J. M. MCCLATCHIE 1,373,002

AIR NOZZLE Original Filed April 17, 1930 BY I a ,4 W

/ A ORNEYSV Patented Aug. 23, 1932 JOHN M. MCCLATGHIE, OF NEW YORK, N. Y., ASSIGNOR'TO THE BORDEN' coivrPAnY, or

NEW YORK, N. Y., A CORPORATION OF NE'W J AIR NOZZLE This invention relatesto a nozzle adapted for directing an air stream against milk-can covers or similar articles to dry the same after they have been subjected to a washing,

steaming or other like sterilizing treatment. 7

This application is a division of my copending application, Serial No. 444,963, filed April 17, 1930. In that application is described an apparatus for washing, sterilizing and drying milk-cans and the covers there for. After the cans and their covers have been washed and sterilized they are dried by an application of air. The present structure relates to the nozzle which directs an air blast against the under surfaces of such wet milk-can covers or similar articles to dry the same.

The object of this invention is to provide an improved drying nozzle which will serve to direct the air blast against the various under surfaces of the cover, and which will be provided with suitable exit ducts whereby the air that becomes moisture-laden by its contact with the wet can cover is directed through said exit ducts and passes out through the same without impeding the flow of or mixing with the dry air which is being directed against the can cover.

The preferred form of the invention is illustrated in the accompanying drawing, in

which Fig. 1 is a sectional view through a drying nozzle made in accordance with this invention, and Fig. 2 is a plan view of the same. i V

In Fig. 1 is shown one of the can covers adapted to be dried by the nozzle. The cover is of well-known type and has a flanged top portion 3 from which extends a cylindrical or tubular necklportion 4 of less diameter than the flanged top port-ion. This cylindrical neck portion 4 fits within the mouth of the can. During the drying operation, the cover is usually supported on rails 5 and 6 and is preferably held at an angle as indilindrical section 13.

.Original application filed April 17, 1930, Serial No. 444,963. Divided and this application filed, October 3 1931. Serial'No. 566,662.] l i catedin Fig. 1 so that access to the inside of under portion of the r the cover and to the flanged part 3 is had bythe air blast directed by the drying nozzle I V ized' it is moved along on its supports 5 and 6 until it reaches a nozzle. The nozzle comprises an outer, an-

nular discharge orifice 7 and a central, dis-.

Aftera cover has been-washed andsterili position over the drying suitable source of airsupply, The annular orifice 7 is "formed between an outerannular wall consisting of the conical section 10.and the cylindrical section 11 and aninnerwall consisting of the conical section'12 and cy- The contracted lower end of the outer conicalwall 10 is connected to the air supply'pipe9. The inner wall of theannular discharge orifice"? is supported" by and is held spaced apart from the outer wall by meansof the several short exit pipes 14 which pass through the conical wall secotions. The central discharge orifice-8 is formed byapipe 15 supported at its inner or lower end by. the contracted lower end of the inner conical Wall section12.- Between the pipe1-5 and the inner wallsections 12' i and 13 is an annular exit passageway ,16

which disohargesthrough' the pipes 14.

Y The mode of operation: of the improved air nozzle will be readily understood from a consideration of'Fig. 1 in whichtthe various air currents are-indicated' bythe arrows. The blast 'ofair passing through the central duct 8 is conducted against the interior surfacesiof the cover, and said air becoming moistureladen on contact with the cover, is directed by these surfaces into the annular exit passageway 16 whence it is discharged into-the atmosphere through the pipesl4, @The Iair'passing from the supply pipe9 through the annular orifice7 is directed partly-against the intel- The air directedinto the interior of the cover through the annular duct 7 is redirected into 7 the exit passageway 16 and thence through ,the pipes 14,- whereas the air directed against theexterior surfaces of the cover picks up the moisture therefrom and carrie's it directly j into the atmosphere It has been found un v7 15. provided with atubular neck portion and. a.-v

necessary t direct an air blast against the. top of the cover 3, v

T'Wll'at I'cla-iin is 1. A device for drylng a can cover that is top portion to the underside of which the tuwith a cylindrical portion and a conical portion, a similarly shaped inner wall disposed within the outer wall and spaced therefrom, 7

a discharge pipe located within the inner wall and in registration with; theair supply pipe to receive the air flow therefrom, said discharge pipe being spaced from the inner wall to provide a chamber between it and said inner wall for receiving a deflected air'blast,

and outlet openings leading from said; chamher through the" inner ancliouter walls.

JOHNM. MCCLATGHIE;

hular portion" is connected, said-device con'vsisting of a nozzlehavlng a central duct for t :directing a I partf ofthe-lo-wer surface of the top of 'the cover,an annuland'uct for directing a stream stream of air against' the central of the. cover to which the tubular neck is connected, and; an annular outlet space 10- of air against the part of the; lower surface I catecl between the central duct and 'the annu-v lar duct for receiving air deflected by the I cover, and discharge openings leading from the annular outlet space. c

2; A nozzle for'directmg streams of air against the under surface of a can cover that hasa circular top portion andi'atubularneck I portion secured to top portion, said nozzle comprising an annular duct: fordirecting air against the part of the under" surface of the c ion the: undersurface of the cover to which the annular neck portion is secured, a: central dluctfordirecting air against the centerof the-under surface: ofthe cover, and an annular outlet space formed between the annular ductan d the central. duct" for receiving air deflected by the cover, and passageways leading fromlthe-annular outlet space throughthe annular duct;

3. Anair nozzle for drying'milk can covers or similar'artic'les, saidnozzle havinga pair of concentric discharge orifices for directing an airblastfagainst a-cover,a chamber-located between the orl ficesfor receiving the I a airblast' deflected by the cover, and outlet passages leadingfromV said chamberr I 4i. A'HBiIT'II'OZZlG'fOI' drying cancovers and thezlike, provided with anair supply pipe,

an enlarged head thereon having an outer aninner wall located'withinthe-outer wall,

. wall and spaced therefrom to, provide an annular'discharge orificebetween thewalls; a

I and spaced therefrom discharge pipe located within the inner. wall toprovide a chamber d between it and said inner wall," and outlet openings leading from said chamber and through :the inner and outer walls.

5. An air nozzleifor dryinglcan covers and the like, provided with an air supply'pipe, a head thereon havingfan outer wall formed 

